Isamu Kaneko, a 33-year-old assistant professor at the prestigious University of Tokyo, was arrested on suspicion of developing and offering free downloads through his file-sharing software called Winny. Winny, which Kaneko developed in 2002 and is estimated to have 250,000 users in Japan, has become a headache for digital content providers as users have been drawn by its reputation in protecting users' anonymity. Japanese Professor Arrested over Winny | 
